header{
padding: 20px;
box-shadow: 0 3px 3px rgb(242,148,6);

}
header::after{
    content:'';
    display: block;
    clear: both;
}
header div{
    float: left;
}
header div.right{
    float: right;
    text-align: center;
    line-height: 47px;
}
header div.title{
    height: 47px;
    line-height:47px;
    width:70%;
    color: rgb(242,148,6);
    text-align: center;
    font-size: 20px;

}
div.icon{
    width: 47px;
    height: 47px;
    background-image: url('images/i_head4.png');
    background-position: -20px -30px;
    float: left;

}
div.radius{
    background-color: dodgerblue;
    border-radius: 23px 0 0 23px;
    transform: all 0.5s;
    width: 100px;
    height: 47px;
    
}
section.main input{
    width: 90%;
    margin: 20px;
    padding: 10px;
   border-radius: 5px;
   border: 1px solid #ccc;
}
section.main ul{
  list-style: none;
}
section.main ul.nav li{
  
    display: inline-block;
    width: 32%;
    text-align: center;
    height: 48px;
    line-height: 48px;
}
section.main ul.nav li a{
    color: #333;
    text-decoration: none;
    font-size: 18px;
}
section.main ul li :active{
    border-bottom: 3px solid rgb(242,148,6);
}
ul.nav{
    border-bottom: 2px solid #ccc;
}
section.mid-con div.title{
    margin-top: 30px;
    border-top: 2px solid rgb(242,148,6);
}
section.mid-con div.title span.text{
    display: block;
    font-size: 20px;
    background: wheat;
    width: 240px;
    margin-top: -13px;
    border-left: 4px solid rgb(242,148,6);
    padding-left: 20px;
}

}
section.mid-con div.pics ul::after{
    content:'';
    display: block;
    clear: both;
}

section.mid-con div.pics ul li{
    width: 31.3%;
    float: left;
    position: relative;
    margin: 10px;
}
section.mid-con div.pics ul li img{
    width: 100%
}
section.mid-con div.pics ul li span{

    position: absolute;
    display: block;
    width: 100%;
    background:rgba(0,0,0,0.5);
    bottom: 0px;
    left: 0px;
    color: wheat;
    font-size: 18px;
    height: 47px;
    line-height: 47px;
    
    
}

